code: def output_limit(self):
      return 1
  
imports: import numpy
  import pandas
  from ...None import opcodes
  from ...core import OutputType
  from ...core.operand import MapReduceOperand, OperandStage
  from ...serialization.serializables import Int32Field, ListField
  from ...utils import lazy_import
  from ..operands import DataFrameOperandMixin
  from ..sort.psrs import DataFramePSRSChunkOperand
label_desc: Use image node_id 1 for calling the DataFramePSRSGroupbySample obj's underlying member method code with example usage: obj.output_limit() and returns: int